From 334032294ffd9549a772312cfe5e776c0b9aa934 Mon Sep 17 00:00:00 2001
From: LemonBoy <thatlemon@gmail.com>
Date: Wed, 19 Sep 2018 12:46:50 +0200
Subject: Fix linking issue in cpp codegen

Declare the root symbol only once and have the other modules depending
on it emit an `extern` declaration.

Fixes #9013
---
 lib/system/hti.nim | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'lib/system/hti.nim')

diff --git a/lib/system/hti.nim b/lib/system/hti.nim
index c7b52bbdf..bffe81bc8 100644
--- a/lib/system/hti.nim
+++ b/lib/system/hti.nim
@@ -103,6 +103,10 @@ type
   PNimType = ptr TNimType
 
 when defined(nimTypeNames):
-  var nimTypeRoot {.compilerProc.}: PNimType
+  # Declare this variable only once in system.nim
+  when declared(ThisIsSystem):
+    var nimTypeRoot {.compilerProc.}: PNimType
+  else:
+    var nimTypeRoot {.importc.}: PNimType
 
 # node.len may be the ``first`` element of a set
-- 
cgit 1.4.1-2-gfad0